Home / 12,461.53-18,685.38-4,957.48

Finding the Fourth Proportional to 12,461.53, 18,685.38 and 4,957.48

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Solution

The fourth proportional to 12,461.53, 18,685.38 and 4,957.48 is: 7,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.53 : 18,685.38 = 4,957.48 : x
  2. Step 2: Convert to fraction form
    12,461.53/18,685.38 = 4,957.48/x
  3. Step 3: Cross multiply
    12,461.53x = 18,685.38 × 4,957.48
  4. Step 4: Simplify right side
    12,461.53x = 92,632,397.64
  5. Step 5: Solve for x
    x = 92,632,397.64/12,461.53
  6. Step 6: Final answer
    x = 7,433.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.